Current sea water temperature:
+63.9°F
| Minimum sea water temperature in May: | 72.3°F |
| Maximum sea water temperature in May: | 56.7°F |
| Average sea water temperature in May: | 64.0°F |
| more information | |
14 days
forecast
forecast
| Trieste |
monthly
weather
weather
| Trieste |
Sea water temperature for the last 10 days:
| May 16 | 63.9°F | May 11 | 64.2°F |
| May 15 | 63.5°F | May 10 | 64.2°F |
| May 14 | 63.9°F | May 9 | 63.3°F |
| May 13 | 64.0°F | May 8 | 61.9°F |
| May 12 | 65.3°F | May 7 | 60.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Trieste?
Based on the data about daily sea water temperature for the last three years the warmest sea in Trieste was noticed in August, July and September.
Monthly Sea Temperatures in Trieste, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 76.5°F. The highest and lowest sea temperatures during the month were 78.6°F and 74.3°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 78.6°F. The highest and lowest sea temperatures during the month were 81.5°F and 76.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 75.2°F. The highest and lowest sea temperatures during the month were 77.9°F and 72.9°F.
current
weather
weather
| Trieste |
weather in
May
May
| Trieste |
Best time for vacation in Trieste
Trieste on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Trieste
Local time: 02:10
May 17, sunday
0300

46°F
W
6 mph
6 mph
0600

45°F
W
6 mph
6 mph
0900

57°F
W
2 mph
2 mph
1200

63°F
NE
6 mph
6 mph
1500

64°F
NE
8 mph
8 mph
1800

63°F
NE
5 mph
5 mph
2100

52°F
W
2 mph
2 mph
May 18, monday
0000

48°F
W
5 mph
5 mph



























